@media all
{
	html
	{
		font-size:16px;
	}
}
@media all and (min-width:140px) and (min-height:220px)
{
	html
	{
		font-size:9px;
	}
}

@media all and (min-width: 220px) and  (min-height: 140px){
	html {
		font-size: 9px;
	}
}
@media all and (min-width:210px) and (min-height:280px),(min-width:280px) and (min-height:210px),(min-width:280px) and (min-height:280px)
{
	html
	{
		font-size:16px;
	}
}

@media all and (min-width:300px) and (min-height:460px),(min-width:460px) and (min-height:300px)
{
	html
	{
		font-size:16px;
	}
}

@media all and (min-width:340px) and (min-height:620px),(min-width:620px) and (min-height:340px)
{
	html
	{
		font-size:16px;
	}
}

@media all and (min-width:420px) and (min-height:760px) and (max-height:900px),
			   (min-width:760px) and (max-width:900px) and (min-height:420px)
{
	html 
	{
		font-size:24px;
	}
}
@media all and (min-width:500px) and (min-height:900px) ,(min-width:900px) and (min-height:500px)
{
	html
	{
		font-size:28px;
	}
}
@media all and (min-width:1000px) and (min-height:740px),(min-width:740px) and (min-height:1000px)
{
	html
	{
		font-size:20px;
	}
}

@media all and (min-width:1200px) and (min-height:600px),(min-width:600px) and (min-height:1200px)
{
	html
	{
		font-size:32px;
	}
}
@media all and (min-width:1280px) and (min-height:720px),(min-width:720px) and (min-height:1280px)
{
	html
	{
		font-size:32px;
	}
}

@media all and (min-width:1000px) and (min-height:1900px),(min-width:1900px) and (min-height:1000px)
{
	html
	{
		font-size:48px;
	}
}

/* 兼容iphone6*/
@media (device-width:375px) and (device-height:667px)  and (-webkit-min-device-pixel-ratio:2.0){
    html
    {
        font-size:16px;
    }
}

/* 兼容iphone6 plus */
@media (device-width:414px) and (device-height:736px)  and (-webkit-min-device-pixel-ratio:3.0){
    html
    {
        font-size:16px;
    }
}


@media all and (device-height:1080px) and (device-width:1920px) ,(device-width:1080px) and (device-height:1920px) 
{
    html
    {
        font-size:24px;
    }
}

/*兼容letv等*/
@media all and (device-width:1080px) and (device-height:1920px) and (-webkit-min-device-pixel-ratio:2.0)
{
    html
    {
        font-size:48px;
    }
}

/*兼容小米4等*/
@media all and (device-width:1080px) and (device-height:1920px) and (-webkit-min-device-pixel-ratio:3.0)
{
    html
    {
        font-size:48px;
    }
}

@media all and (device-height:1280px) ,(device-width:720px)
{
	html
	{
		font-size:32px;
	}
}
@media all and (device-width:1024px) ,(device-width:768px)
{
	html
	{
		font-size:20px;
	}
}

@media all and (device-width:960px) and (device-height:640px),(device-width:640px) and (device-height:960px)
{
	html
	{
		font-size:32px;
	}
}

@media all and (device-width:480px) and (min-device-height:800px) and (max-device-height:900px),
			   (min-device-width:800px) and (max-device-width:900px) and (device-height:480px)
{
	html
	{
		font-size:24px;
	}
}

@media all and (device-width:360px) and (device-height:640px),(device-width:640px) and (device-height:360px)
{
	html
	{
		font-size:16px;
	}
}

@media all and (device-width:320px) and (device-height:480px),(device-width:480px) and (device-height:320px)
{
	html
	{
		font-size:16px;
	}
}

@media all and (device-width:240px) and (device-height:320px),(device-width:320px) and (device-height:240px),(device-width:320px) and (device-height:320px)
{
	html
	{
		font-size:16px;
	}
}
/*魅族MX3 */
@media all and (device-width:1080px) and (device-height:1800px)
{
    html
    {
        font-size:42px;
    }
}
/*魅族MX4 pro*/
@media all and (device-width:1536px) and (device-height:2560px)
{
    html
    {
        font-size:58px;
    }
    
}
/*三星note4 */
@media all and (device-width:1440px) and (device-height:2560px)
{
    html
    {
        font-size:58px;
    }
}



